Projection

Look up projection, projector, or projective in Wiktionary, the free dictionary.

Projection, projections or projective may refer to:

Optics

• Projection, the display of images by a projector, using devices such as
  • Movie projector
  • Video projector
  • Overhead projector
  • Slide projector
  • Camera obscura

Graphics

• Map projection, reducing the surface of a three-dimensional planet to a flat map (geography)
• Graphical projection, the production of a two-dimensional image of a three-dimensional object
  • Parallel projection
    • Orthographic projection, including:
      • Multiview projection
        • Floor plan view
        • Cross section (geometry), a view of the interior at a particular cutting plane
      • Axonometric projection, including:
        • Isometric projection
    • Oblique projection
  • Perspective projection

Chemistry

• Fischer projection
• Haworth projection
• Natta projection
• Newman projection

Mathematics

• Projection (mathematics), any of several different types of geometrical mappings, including
  • Projection (linear algebra)
  • Projection (set theory)
  • Projection (measure theory)
  • 3D projection
  • Vector projection
  • Projection (relational algebra)
• Projective geometry, a non-Euclidean geometry that involves
  • Projective spaces
    • Projective lines
    • Projective planes
  • Projective transformations
  • Projective linear groups
  • Projective coordinates
• Projective module, a generalization of a free module
• Projective object, a further generalization, in category theory
• Projection method (fluid dynamics)

Biology

• Projection areas, areas of the brain where sensory processing occurs
• Projection fiber, in neuroscience, white matter fibers that connect the cortex to the lower parts of the brain or the spinal cord.

Arts and entertainment

• "Projections" (Star Trek: Voyager), an episode of the television series Star Trek: Voyager
• Projections (album), 1966 album by The Blues Project
• Projections (John Handy album), 1968 album
• Projections (film), 2013 Croatian film

Other uses

• Projection (alchemy), process in Alchemy
• Power projection, the capacity of a state to implement policy by means of force, or the threat thereof
• Psychological projection, or "Freudian projection", a defense mechanism in which one attributes to others one's own unacceptable or unwanted attributes, thoughts, or emotions
• Forecasting of future developments based on current statistics and trends

See also

• Projection screen, used for displaying a projected image
• All pages beginning with Projection
• All pages with a title containing Projection
• Project (disambiguation)
• Projection effect (disambiguation)
• Projector (disambiguation)
• Philosophy of perception